Qianjia MA

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Stevenson Ranch, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Car mobile phone connection device
- Patent number 12,071,078
- Issue date Aug 27, 2024
- Yaowu Ma
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
KEYS AND LOCKS
- Publication number 20240346865
- Publication date Oct 17, 2024
- Yaowu MA
- B60 - VEHICLES IN GENERAL
Information Patent Application
Car mobile phone connection device
- Publication number 20230051385
- Publication date Feb 16, 2023
- Yaowu MA
- B60 - VEHICLES IN GENERAL